The TOA Wireless Tuner Module WTU-4800 is a PLL-synthesizer controlled double superheterodyne diversity tuner module designed to be used in conjunction with UHF wireless equipment. It employs a compressor-expander system noise reduction circuit to minimize the influence of ambient RF noise.
| Power Requirement | 7 - 12 V DC |
|---|---|
| Current Consumption | 100 mA |
| Receiving Frequency | 576 - 865 MHz (*2), UHF |
| Receiving System | Double super-heterodyne |
| Receiving Sensitivity | 80 dB or more, Signal to Noise Ratio (20 dBμV input, 40 kHz deviation) |
| Antenna Input Impedance | 75 Ω |
| Diversity System | Space diversity |
| Channel Selectable | 16 channels |
| Squelch System | Noise SQ |
| Squelch Sensitivity | 17 dBμV |
| Output | 0 dB (*1) (maximum deviation, 2.2 kΩ load) |
| Harmonic Distortion | 1% or less |
| Frequency Response | 100 Hz - 12 kHz, ±3 dB |
| Operating Temperature | -10 ℃ to +50 ℃ (14 F゜ to 122 F゜) |
| Operating Humidity | 30 % to 85 %RH (no condensation) |
| Finish | Surface-treated steel plate |
| Dimensions | 60 (W) × 25 (H) × 139 (D) mm (2.36" × 0.98" × 5.47") |
| Weight | 130 g (0.29 lb) |
| Accessory | Driver for channel changing……1 |